Question about 2003 Triumph Triumph Thunderbird

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Runing poor hi all got a 2003 thunderbird with 7400 miles on it. it starts fine with no problems but untill it gets hot it sounds and feels a bit like its not running on all cylinders,as it gets gets hotter you sometimes get what feels like a power surge and then it sounds and runs fine. if you get it up to temp and then leave it for half an hour or so it will do it again. any ideas what to look for and check most welcome

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  • remixed9 Mar 15, 2009

    i have a legend , and it was fine when parked up end of november. but upon starting it up recently it has a simaler fault. and that is until engine hot it appears to missfire, i hope its a simple as a coil, and not a head gasket as my fears are telling me.

  • remixed9 Mar 15, 2009

    i have a similar problem, but cant believe its coil as it changes when hot, coil works or dont work?

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Check the air filter and the air box drain pipe had the same problem

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That's what a failing coil acts like. Eventually it will quit all together and it will be easy to figure out which one is at fault. When intermittent figuring out which one can be a bit of a challenge.

Posted on Nov 10, 2008

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